Conn Connstellation 9BN vs Marcinkiewicz 10
The Marcinkiewicz 10 has a wider cup diameter, the Conn Connstellation 9BN features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Conn Connstellation 9BN
• Cornet
LeadBackbore—
Best suited for
Trumpet players seeking precise matched dimensions
Size 9 (15.88mm); smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite. Fa
vs
Mouthpiece B
Marcinkiewicz 10
• Cornet
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.